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About Light Appearance
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About Brightness
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Prefocus Base Miniature Light Bulbs
These bulbs are sized to fit tight spaces such as signs, instruments, indicators, and flashlights. Brightness is measured in lumens; the higher the lumens, the brighter the bulb.
| Bulb Trade Number | Voltage | Wattage | Brightness, lumens | Current | Operating Position | Light Technology | Bulb Material | Color | Rated Life | Bulb Dia. | O'all Lg. | Bulb Shape No. | Each | |
Double-Contact—Candelabra Base (0.59" Dia.) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Tapered Bulb | ||||||||||||||
| 1634 | 20V AC/20V DC | 20W | 302 | 1A | Horizontal | Incand. | Glass | Clear | Not Rated | 1" | 2" | S8 | 00000000 | 00000 |
Bi-Pin Base Floodlight Bulbs
MR16
Often used in recessed can fixtures and track lighting, these bulbs produce a focused beam of light. Brightness is measured in lumens; the higher the lumens, the brighter the bulb. Bulbs with a warm light appearance have yellow tones. Bulbs with a neutral light appearance are commonly used in workspaces. A bulb’s estimated yearly energy cost is based on 3 hours of usage per day at $0.11 per kWh.
Halogen bulbs are slightly more energy efficient than incandescent bulbs, but they generate more heat.
For technical drawings and 3-D models, click on a part number.
| Equiv. Incand. Bulb Wattage | Light Appearance | Brightness, lumens | Beam Angle | Bulb Trade Number | Light Technology | Bulb Material | Color | Wattage | Rated Life, hrs. | Est. Yearly Energy Cost, $ | Bulb Dia. | O'all Lg. | Pkg. Qty. | Pkg. | |
MR16 Bulb | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
20V AC/20V DC | |||||||||||||||
| 150W | Neutral (3,150K) | Not Rated | Not Rated | DDL | Halogen | Glass | Clear | 150W | 500 | 18.07 | 2" | 1 3/4" | 1 | 0000000 | 000000 |